CN203067913U - Controlling system of intelligent valve positioning device - Google Patents
Controlling system of intelligent valve positioning device Download PDFInfo
- Publication number
- CN203067913U CN203067913U CN 201220555517 CN201220555517U CN203067913U CN 203067913 U CN203067913 U CN 203067913U CN 201220555517 CN201220555517 CN 201220555517 CN 201220555517 U CN201220555517 U CN 201220555517U CN 203067913 U CN203067913 U CN 203067913U
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- module
- power supply
- chip microcomputer
- supply module
- intelligent valve
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Abstract
The utility model relates to a controlling system of an intelligent valve positioning device. The controlling system of the intelligent valve positioning device comprises a first power supply module, a current sampling module, an operation amplifying circuit, a singlechip and a port module of the singlechip, a key controlling screen, a second power supply module and a third power supply module. An input end of the first power supply module is connected with an outer current signal wire. A first circuit output of the first power supply module is connected with the current sampling module. A second circuit output of the first power supply module is connected with the second power supply module. A third circuit output of the first power supply module is connected with the third power supply module. An output of the second power supply module is respectively connected with the operation amplifying circuit, the singlechip and the port module of the singlechip. The third power supply module is connected with a piezoelectric valve to control the circuit. The singlechip and the port module of the singlechip are connected with the key controlling screen in a telecommunication mode and further connected with an outer angle sensor. Under the condition that input working currents range from 4mA to 20mA and the voltage is less than 10V, the piezoelectric valve can be driven to work normally so as to close and open the valve body and achieve the aim of precise controlling.
Description
Technical field
The utility model relates to a kind of low power consumption and low cost intelligent valve positioner control circuit design.
Background technique
Along with the extensive use of valve products such as chemical industry, oil, water conservancy, weaving and rock gas, particularly in special industries such as chemical industry, its aperture to valve requires to control accurately.Control accuracy to valve requires demand more and more higher, and Environmental Conditions also becomes increasingly complex changeable, so the technical performance requirement is more and more diversified, and this low power consumption and low cost intelligent valve positioner is a kind of theory of following valve design especially.
The constituent element of intelligent valve positioner comprises valve body, intelligence location final controlling element, source of the gas three parts composition.Under the general situation, intelligence location final controlling element is the core of intelligent valve, also is the technological core part.Under inflammable and explosive hazardous environment, the safety that how to guarantee the staff is the problem that must consider.Along with the continuous expansion in valve applications field, the demand of the low-cost valve of high-precision low-power consumption is more and more stronger.Therefore, existing valve can not satisfy the requirement of low power consumption and low cost.
Summary of the invention
The purpose of the utility model design is complicated at existing intelligent valve control circuit circuit when designing, and the defective that the big cost of power consumption is high has proposed a kind of intelligent valve positioner control system.
For solving the problems of the technologies described above, the utility model proposes a kind of intelligent valve positioner control system, it is characterized in that, comprise first power module, the current sample module, operational amplification circuit, single-chip microcomputer and Interface Module thereof, the button control panel, second source module and the 3rd power module, the input end of described first power module connects the foreign current signaling line, the first via output of first power module connects described current sample module, the second tunnel output connects described second source module, Third Road output connects described the 3rd power module, the output of described second source module connects described operational amplification circuit and single-chip microcomputer and Interface Module thereof respectively, described the 3rd power module connects the piezo electric valve control circuit, described single-chip microcomputer and Interface Module thereof and button control panel communicate to connect, and described single-chip microcomputer and Interface Module thereof also connect outside angle transducer.
The utility model also comprises display screen, and described display screen and described single-chip microcomputer and Interface Module thereof communicate to connect, and the power input of described display screen connects the output terminal of described second source module.
Described first power module changes the 9-10V voltage module for the 4mA-20mA electric current, and described second source module is that 9-10V changes into the 3.3V voltage module.
Described the 3rd power module is that 9-10V changes into the 24V voltage module.
Described single-chip microcomputer is the single-chip microcomputer of MSP430F149 type.
Described display screen is 64 character Chinese liquid crystal display panel.
Install the current-limiting resistance that resistance is 1K additional on described single-chip microcomputer and Interface Module thereof and the interface that the piezo electric valve control circuit is connected.
The beneficial effects of the utility model: at input service electric current 4mA-20mA, voltage can drive the piezo electric valve proper functioning less than under the 10V condition, thereby valve body is carried out switch motion, reaches the purpose of accurate control.Under the situation of the normal unlatching backlight of the Chinese liquid crystal display panel of 64 characters, inrush current 1.6mA, voltage are less than 10V, and power consumption is less than 16mW; Input current 3mA during the The whole control system proper functioning, voltage are less than 10V, and power consumption has reached the purpose of low power consumption and low cost less than 30mW.The minimum current resolution of system is 0.1mA, and the dead band of whole system is 0.1% ~ 0.2%.
Description of drawings
Further specify below in conjunction with accompanying drawing.
Fig. 1 is structure principle chart of the present utility model.
Embodiment
As shown in Figure 1, the input end of 4mA-20mA electric current commentaries on classics 9-10V voltage module connects the current signal line of outside 4mA-20mA, the first via output of 4mA-20mA connects the current sample module, the second tunnel output connects 9-10V and changes into the 3.3V voltage module, Third Road output connects 9-10V and changes into the 24V voltage module, 9-10V changes into the output difference concatenation operation amplification circuit of 3.3V voltage module and single-chip microcomputer and the Interface Module thereof of MSP430F149 type, 9-10V changes into the 24V voltage module and connects the piezo electric valve control circuit, for the piezo electric valve control circuit provides power supply.Single-chip microcomputer and Interface Module thereof and button control panel communicate to connect, and single-chip microcomputer and Interface Module thereof also connect outside angle transducer.
64 characters Chinese liquid crystal display panel communicates to connect with single-chip microcomputer and Interface Module thereof, and the power input connection 9-10V of display screen changes into the 3.3V voltage module.
What deserves to be explained is, in the switching circuit of single-chip microcomputer MSP430F 149 control piezo electric valves, in order to reduce power consumption, having added resistance at the driving single port of single-chip microcomputer is the current-limiting resistance of 1K, and this current-limiting resistance plays crucial effects to the power consumption of whole system, actual showing: the use of current-limiting resistance just, make whole system when 3mA, just can make the backlight lightening of liquid crystal display panel, and system can work normally, reach the purpose of low power consumption and low cost.Simultaneously, the minimizing of integrated chip has reduced the cost of system.
Claims (7)
1. intelligent valve positioner control system, it is characterized in that, comprise first power module, the current sample module, operational amplification circuit, single-chip microcomputer and Interface Module thereof, the button control panel, second source module and the 3rd power module, the input end of described first power module connects the foreign current signaling line, the first via output of first power module connects described current sample module, the second tunnel output connects described second source module, Third Road output connects described the 3rd power module, the output of described second source module connects described operational amplification circuit and single-chip microcomputer and Interface Module thereof respectively, described the 3rd power module connects the piezo electric valve control circuit, described single-chip microcomputer and Interface Module thereof and button control panel communicate to connect, and described single-chip microcomputer and Interface Module thereof also connect outside angle transducer.
2. intelligent valve positioner control system according to claim 1, it is characterized in that, also comprise display screen, described display screen and described single-chip microcomputer and Interface Module thereof communicate to connect, and the power input of described display screen connects the output terminal of described second source module.
3. intelligent valve positioner control system according to claim 1 is characterized in that, described first power module changes the 9-10V voltage module for the 4mA-20mA electric current, and described second source module is that 9-10V changes into the 3.3V voltage module.
4. intelligent valve positioner control system according to claim 2 is characterized in that, described the 3rd power module is that 9-10V changes into the 24V voltage module.
5. according to the described intelligent valve positioner control system of one of claim 1 to 4, it is characterized in that described single-chip microcomputer is the single-chip microcomputer of MSP430F149 type.
6. intelligent valve positioner control system according to claim 2 is characterized in that, described display screen is 64 character Chinese liquid crystal display panel.
7. intelligent valve positioner control system according to claim 1 is characterized in that, installs the current-limiting resistance that resistance is 1K additional on described single-chip microcomputer and Interface Module thereof and the interface that the piezo electric valve control circuit is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555517 CN203067913U (en) | 2012-10-26 | 2012-10-26 | Controlling system of intelligent valve positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555517 CN203067913U (en) | 2012-10-26 | 2012-10-26 | Controlling system of intelligent valve positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067913U true CN203067913U (en) | 2013-07-17 |
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ID=48766697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220555517 Expired - Lifetime CN203067913U (en) | 2012-10-26 | 2012-10-26 | Controlling system of intelligent valve positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067913U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075011A (en) * | 2014-07-09 | 2014-10-01 | 上海理工大学 | Pipeline valve openness closed loop feedback control system and control method |
| CN104832693A (en) * | 2015-04-20 | 2015-08-12 | 杭州博流科技有限公司 | Anti-blocking intelligent valve positioner and intelligent valve |
| CN112483709A (en) * | 2020-11-24 | 2021-03-12 | 江苏博特威流体科技有限公司 | Valve with intelligence location is prevented blockking up |
-
2012
- 2012-10-26 CN CN 201220555517 patent/CN203067913U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075011A (en) * | 2014-07-09 | 2014-10-01 | 上海理工大学 | Pipeline valve openness closed loop feedback control system and control method |
| CN104832693A (en) * | 2015-04-20 | 2015-08-12 | 杭州博流科技有限公司 | Anti-blocking intelligent valve positioner and intelligent valve |
| CN104832693B (en) * | 2015-04-20 | 2017-10-31 | 杭州博流科技有限公司 | A kind of anti-clogging intelligent valve positioner and intelligent valve |
| CN112483709A (en) * | 2020-11-24 | 2021-03-12 | 江苏博特威流体科技有限公司 | Valve with intelligence location is prevented blockking up |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |